From b22254dc8bfdea5153761e93298182286f874bac Mon Sep 17 00:00:00 2001 From: Brent Baude Date: Sat, 4 Apr 2020 13:59:55 -0500 Subject: podmanv2 ps add the ability to list containers Signed-off-by: Brent Baude --- libpod/filters/containers.go | 157 +++++++++++++++++++++++++++++++++++++++++++ libpod/filters/pods.go | 115 +++++++++++++++++++++++++++++++ libpod/podfilters/pods.go | 115 ------------------------------- 3 files changed, 272 insertions(+), 115 deletions(-) create mode 100644 libpod/filters/containers.go create mode 100644 libpod/filters/pods.go delete mode 100644 libpod/podfilters/pods.go (limited to 'libpod') diff --git a/libpod/filters/containers.go b/libpod/filters/containers.go new file mode 100644 index 000000000..c13372f91 --- /dev/null +++ b/libpod/filters/containers.go @@ -0,0 +1,157 @@ +package lpfilters + +import ( + "regexp" + "strconv" + "strings" + "time" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/timetype" + "github.com/containers/libpod/pkg/util" + "github.com/pkg/errors" +) + +// GenerateContainerFilterFuncs return ContainerFilter functions based of filter. +func GenerateContainerFilterFuncs(filter, filterValue string, r *libpod.Runtime) (func(container *libpod.Container) bool, error) { + switch filter { + case "id": + return func(c *libpod.Container) bool { + return strings.Contains(c.ID(), filterValue) + }, nil + case "label": + var filterArray = strings.SplitN(filterValue, "=", 2) + var filterKey = filterArray[0] + if len(filterArray) > 1 { + filterValue = filterArray[1] + } else { + filterValue = "" + } + return func(c *libpod.Container) bool { + for labelKey, labelValue := range c.Labels() { + if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { + return true + } + } + return false + }, nil + case "name": + return func(c *libpod.Container) bool { + match, err := regexp.MatchString(filterValue, c.Name()) + if err != nil { + return false + } + return match + }, nil + case "exited": + exitCode, err := strconv.ParseInt(filterValue, 10, 32) + if err != nil { + return nil, errors.Wrapf(err, "exited code out of range %q", filterValue) + } + return func(c *libpod.Container) bool { + ec, exited, err := c.ExitCode() + if ec == int32(exitCode) && err == nil && exited { + return true + } + return false + }, nil + case "status": + if !util.StringInSlice(filterValue, []string{"created", "running", "paused", "stopped", "exited", "unknown"}) { + return nil, errors.Errorf("%s is not a valid status", filterValue) + } + return func(c *libpod.Container) bool { + status, err := c.State() + if err != nil { + return false + } + if filterValue == "stopped" { + filterValue = "exited" + } + state := status.String() + if status == define.ContainerStateConfigured { + state = "created" + } else if status == define.ContainerStateStopped { + state = "exited" + } + return state == filterValue + }, nil + case "ancestor": + // This needs to refine to match docker + // - ancestor=([:tag]|| ⟨image@digest⟩) - containers created from an image or a descendant. + return func(c *libpod.Container) bool { + containerConfig := c.Config() + if strings.Contains(containerConfig.RootfsImageID, filterValue) || strings.Contains(containerConfig.RootfsImageName, filterValue) { + return true + } + return false + }, nil + case "before": + ctr, err := r.LookupContainer(filterValue) + if err != nil { + return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) + } + containerConfig := ctr.Config() + createTime := containerConfig.CreatedTime + return func(c *libpod.Container) bool { + cc := c.Config() + return createTime.After(cc.CreatedTime) + }, nil + case "since": + ctr, err := r.LookupContainer(filterValue) + if err != nil { + return nil, errors.Errorf("unable to find container by name or id of %s", filterValue) + } + containerConfig := ctr.Config() + createTime := containerConfig.CreatedTime + return func(c *libpod.Container) bool { + cc := c.Config() + return createTime.Before(cc.CreatedTime) + }, nil + case "volume": + //- volume=(|) + return func(c *libpod.Container) bool { + containerConfig := c.Config() + var dest string + arr := strings.Split(filterValue, ":") + source := arr[0] + if len(arr) == 2 { + dest = arr[1] + } + for _, mount := range containerConfig.Spec.Mounts { + if dest != "" && (mount.Source == source && mount.Destination == dest) { + return true + } + if dest == "" && mount.Source == source { + return true + } + } + return false + }, nil + case "health": + return func(c *libpod.Container) bool { + hcStatus, err := c.HealthCheckStatus() + if err != nil { + return false + } + return hcStatus == filterValue + }, nil + case "until": + ts, err := timetype.GetTimestamp(filterValue, time.Now()) + if err != nil { + return nil, err + } + seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0) + if err != nil { + return nil, err + } + until := time.Unix(seconds, nanoseconds) + return func(c *libpod.Container) bool { + if !until.IsZero() && c.CreatedTime().After((until)) { + return true + } + return false + }, nil + } + return nil, errors.Errorf("%s is an invalid filter", filter) +} diff --git a/libpod/filters/pods.go b/libpod/filters/pods.go new file mode 100644 index 000000000..9bf436eab --- /dev/null +++ b/libpod/filters/pods.go @@ -0,0 +1,115 @@ +package lpfilters + +import ( + "strconv" + "strings" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/util" + "github.com/pkg/errors" +) + +// GeneratePodFilterFunc takes a filter and filtervalue (key, value) +// and generates a libpod function that can be used to filter +// pods +func GeneratePodFilterFunc(filter, filterValue string) ( + func(pod *libpod.Pod) bool, error) { + switch filter { + case "ctr-ids": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + return util.StringInSlice(filterValue, ctrIds) + }, nil + case "ctr-names": + return func(p *libpod.Pod) bool { + ctrs, err := p.AllContainers() + if err != nil { + return false + } + for _, ctr := range ctrs { + if filterValue == ctr.Name() { + return true + } + } + return false + }, nil + case "ctr-number": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + + fVint, err2 := strconv.Atoi(filterValue) + if err2 != nil { + return false + } + return len(ctrIds) == fVint + }, nil + case "ctr-status": + if !util.StringInSlice(filterValue, + []string{"created", "restarting", "running", "paused", + "exited", "unknown"}) { + return nil, errors.Errorf("%s is not a valid status", filterValue) + } + return func(p *libpod.Pod) bool { + ctr_statuses, err := p.Status() + if err != nil { + return false + } + for _, ctr_status := range ctr_statuses { + state := ctr_status.String() + if ctr_status == define.ContainerStateConfigured { + state = "created" + } + if state == filterValue { + return true + } + } + return false + }, nil + case "id": + return func(p *libpod.Pod) bool { + return strings.Contains(p.ID(), filterValue) + }, nil + case "name": + return func(p *libpod.Pod) bool { + return strings.Contains(p.Name(), filterValue) + }, nil + case "status": + if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { + return nil, errors.Errorf("%s is not a valid pod status", filterValue) + } + return func(p *libpod.Pod) bool { + status, err := p.GetPodStatus() + if err != nil { + return false + } + if strings.ToLower(status) == filterValue { + return true + } + return false + }, nil + case "label": + var filterArray = strings.SplitN(filterValue, "=", 2) + var filterKey = filterArray[0] + if len(filterArray) > 1 { + filterValue = filterArray[1] + } else { + filterValue = "" + } + return func(p *libpod.Pod) bool { + for labelKey, labelValue := range p.Labels() { + if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { + return true + } + } + return false + }, nil + } + return nil, errors.Errorf("%s is an invalid filter", filter) +} diff --git a/libpod/podfilters/pods.go b/libpod/podfilters/pods.go deleted file mode 100644 index 54fa85edc..000000000 --- a/libpod/podfilters/pods.go +++ /dev/null @@ -1,115 +0,0 @@ -package podfilters - -import ( - "strconv" - "strings" - - "github.com/containers/libpod/libpod" - "github.com/containers/libpod/libpod/define" - "github.com/containers/libpod/pkg/util" - "github.com/pkg/errors" -) - -// GeneratePodFilterFunc takes a filter and filtervalue (key, value) -// and generates a libpod function that can be used to filter -// pods -func GeneratePodFilterFunc(filter, filterValue string) ( - func(pod *libpod.Pod) bool, error) { - switch filter { - case "ctr-ids": - return func(p *libpod.Pod) bool { - ctrIds, err := p.AllContainersByID() - if err != nil { - return false - } - return util.StringInSlice(filterValue, ctrIds) - }, nil - case "ctr-names": - return func(p *libpod.Pod) bool { - ctrs, err := p.AllContainers() - if err != nil { - return false - } - for _, ctr := range ctrs { - if filterValue == ctr.Name() { - return true - } - } - return false - }, nil - case "ctr-number": - return func(p *libpod.Pod) bool { - ctrIds, err := p.AllContainersByID() - if err != nil { - return false - } - - fVint, err2 := strconv.Atoi(filterValue) - if err2 != nil { - return false - } - return len(ctrIds) == fVint - }, nil - case "ctr-status": - if !util.StringInSlice(filterValue, - []string{"created", "restarting", "running", "paused", - "exited", "unknown"}) { - return nil, errors.Errorf("%s is not a valid status", filterValue) - } - return func(p *libpod.Pod) bool { - ctr_statuses, err := p.Status() - if err != nil { - return false - } - for _, ctr_status := range ctr_statuses { - state := ctr_status.String() - if ctr_status == define.ContainerStateConfigured { - state = "created" - } - if state == filterValue { - return true - } - } - return false - }, nil - case "id": - return func(p *libpod.Pod) bool { - return strings.Contains(p.ID(), filterValue) - }, nil - case "name": - return func(p *libpod.Pod) bool { - return strings.Contains(p.Name(), filterValue) - }, nil - case "status": - if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { - return nil, errors.Errorf("%s is not a valid pod status", filterValue) - } - return func(p *libpod.Pod) bool { - status, err := p.GetPodStatus() - if err != nil { - return false - } - if strings.ToLower(status) == filterValue { - return true - } - return false - }, nil - case "label": - var filterArray = strings.SplitN(filterValue, "=", 2) - var filterKey = filterArray[0] - if len(filterArray) > 1 { - filterValue = filterArray[1] - } else { - filterValue = "" - } - return func(p *libpod.Pod) bool { - for labelKey, labelValue := range p.Labels() { - if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { - return true - } - } - return false - }, nil - } - return nil, errors.Errorf("%s is an invalid filter", filter) -} -- cgit v1.2.3-54-g00ecf